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github.com/coopnorge/go-logger/adapter/datadog provides a simple logging adapter for Datadog to ensure that logs from Datadog are properly formatted by go-logger before ingestion into Datadog.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,62 @@ | ||
| package datadog | ||
|
|
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| import ( | ||
| "strings" | ||
|
|
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| coopLogger "github.com/coopnorge/go-logger" | ||
| ) | ||
|
|
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| // Logger is a logging adapter between gopkg.in/DataDog/dd-trace-go.v1/ddtrace | ||
| // an go-logger, do not create this directly, use NewLogger() | ||
| type Logger struct { | ||
| instance *coopLogger.Logger | ||
| } | ||
|
|
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| // NewLogger creates a new Gorm logger that passes message to go-logger | ||
| // | ||
| // To inject the logger into ddtrace use | ||
| // | ||
| // package main | ||
| // | ||
| // import ( | ||
| // datadogLogger "github.com/coopnorge/go-logger/adapter/datadog" | ||
| // | ||
| // "gopkg.in/DataDog/dd-trace-go.v1/ddtrace" | ||
| // ) | ||
| // | ||
| // func main() { | ||
| // ddtrace.UseLogger(datadogLogger.NewLogger(datadogLogger.WithGlobalLogger())) | ||
| // } | ||
| func NewLogger(opts ...LoggerOption) *Logger { | ||
| logger := &Logger{} | ||
| for _, opt := range opts { | ||
| opt.Apply(logger) | ||
| } | ||
| if logger.instance == nil { | ||
| return nil | ||
| } | ||
| return logger | ||
| } | ||
|
|
||
| // Log writes statements to the log | ||
| func (l *Logger) Log(msg string) { | ||
| // Logs from gopkg.in/DataDog/dd-trace-go.v1/ddtrace will contain keywords | ||
| // specifying the level of the log. | ||
| if strings.Contains(msg, "DEBUG") { | ||
| l.instance.Debug(msg) | ||
| return | ||
| } | ||
| if strings.Contains(msg, "INFO") { | ||
| l.instance.Info(msg) | ||
| return | ||
| } | ||
| if strings.Contains(msg, "WARN") { | ||
| l.instance.Warn(msg) | ||
| return | ||
| } | ||
| if strings.Contains(msg, "ERROR") { | ||
| l.instance.Error(msg) | ||
| return | ||
| } | ||
| l.instance.Info(msg) | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,29 @@ | ||
| package datadog | ||
|
|
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| import ( | ||
| "testing" | ||
|
|
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| coopLogger "github.com/coopnorge/go-logger" | ||
|
|
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| "gopkg.in/DataDog/dd-trace-go.v1/ddtrace" | ||
| ) | ||
|
|
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| func TestSetup(_ *testing.T) { | ||
| ddtrace.UseLogger(NewLogger(WithGlobalLogger())) | ||
| } | ||
|
|
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| func TestGlobalLogger(_ *testing.T) { | ||
| logger := NewLogger(WithGlobalLogger()) | ||
| logger.Log("Datadog Tracer v1.63.0 DEBUG This is a test") | ||
| logger.Log("Datadog Tracer v1.63.0 INFO This is a test") | ||
| logger.Log("Datadog Tracer v1.63.0 WARN This is a test") | ||
| logger.Log("Datadog Tracer v1.63.0 ERROR This is a test") | ||
| } | ||
|
|
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| func TestCustomLogger(_ *testing.T) { | ||
| logger := NewLogger(WithLogger(coopLogger.New())) | ||
| logger.Log("Datadog Tracer v1.63.0 DEBUG This is a test") | ||
| logger.Log("Datadog Tracer v1.63.0 INFO This is a test") | ||
| logger.Log("Datadog Tracer v1.63.0 WARN This is a test") | ||
| logger.Log("Datadog Tracer v1.63.0 ERROR This is a test") | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,32 @@ | ||
| package datadog | ||
|
|
||
| import ( | ||
| coopLogger "github.com/coopnorge/go-logger" | ||
| ) | ||
|
|
||
| // LoggerOption defines an applicator interface | ||
| type LoggerOption interface { //nolint:all | ||
| Apply(l *Logger) | ||
| } | ||
|
|
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| // LoggerOptionFunc defines a function which modifies a logger | ||
| type LoggerOptionFunc func(l *Logger) //nolint:all | ||
|
|
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| // Apply redirects a function call to the function receiver | ||
| func (lof LoggerOptionFunc) Apply(l *Logger) { | ||
| lof(l) | ||
| } | ||
|
|
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| // WithGlobalLogger configures Grom to use our global logger | ||
| func WithGlobalLogger() LoggerOption { | ||
| return LoggerOptionFunc(func(l *Logger) { | ||
| l.instance = coopLogger.Global() | ||
| }) | ||
| } | ||
|
|
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| // WithLogger configures Grom to use a logger instance | ||
| func WithLogger(logger *coopLogger.Logger) LoggerOption { | ||
| return LoggerOptionFunc(func(l *Logger) { | ||
| l.instance = logger | ||
| }) | ||
| } |
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